<script src="https://cdnjs.cloudflare.com/ajax/libs/rxjs/5.4.0/Rx.js"></script>
const observable = Rx.Observable.timer(1000);
const observable2 = Rx.Observable.of(1, 2, 3);
Rx.Observable
// 指定した Observable(`observable`、`observable2`)が全て`complete`通知をしたら、
// それぞれの Observable が最後に通知した値をまとめた配列を`next`通知する Observable を生成する。
// 今回、`observable` が最後に`next`通知する値は`0`であり、`observable2`が最後に`next`通知する値は`3`のため、
// この Observable が`next`通知する値は`[0, 3]`
.forkJoin(observable, observable2)
.subscribe(
x => console.log(x),
error => console.error(`error: ${error}`),
() => console.log("complete")
);
// => [0, 3]
// => "complete"
Output
300px
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